12 best ac diffusers

An AC diffuser, in the context of aromatherapy and alternative medicine, is a device used to disperse essential oils or aromatic blends into the air via a building's air conditioning system. These diffusers are designed to create a pleasant and therapeutic atmosphere within a living or working space. Here's what you should know about AC diffusers:

  1. Aromatherapy Benefits: AC diffusers are commonly used in aromatherapy to spread the aroma of essential oils throughout a room or building. Aromatherapy is a holistic healing practice that involves inhaling the natural scents of essential oils to promote physical, mental, and emotional well-being.

  2. How They Work: AC diffusers are typically attached to the air conditioning system's air intake or vents. When the AC system is running, the diffuser dispenses tiny particles of essential oils into the air, allowing the fragrance to be distributed evenly throughout the space. As air circulates, it carries the aroma to various rooms and areas.

  3. Types of Essential Oils: Various essential oils can be used in AC diffusers, each with its unique aroma and potential therapeutic properties. For example, lavender essential oil is often used for relaxation and stress relief, while eucalyptus oil is used for respiratory support.

  4. Therapeutic Effects: The inhalation of essential oils through an AC diffuser can have various therapeutic effects, depending on the oils used. Some common benefits include relaxation, improved mood, stress reduction, enhanced focus, and relief from respiratory issues.

  5. Customization: AC diffusers allow users to customize their aromatherapy experience by choosing specific essential oils or blends based on their preferences and wellness goals.You can experiment with different scents to find the ones that work best for you.

  6. Safety Considerations: It's important to use high-quality, pure essential oils in AC diffusers to ensure safety and effectiveness. Additionally, it's advisable to follow the manufacturer's instructions for the specific AC diffuser model you have to prevent damage to the system or potential health risks.

  7. Alternative to Traditional Diffusers: AC diffusers offer a discreet and continuous way to enjoy the benefits of aromatherapy without the need for standalone diffusers or candles. This makes them a convenient option for those who want to incorporate aromatherapy into their daily routines seamlessly.

AC diffusers are a popular choice for individuals and businesses looking to create a fragrant and therapeutic environment. They are especially useful in larger spaces where traditional diffusers may not provide adequate coverage. However, it's essential to research and choose a high-quality AC diffuser and use essential oils thoughtfully to ensure a safe and enjoyable aromatherapy experience.

Below you can find our editor's choice of the best ac diffusers on the market
  

Drop Ceiling HVAC Supply Grille - for T-Bar Lay-in - 3 Coned - 24" x 24" - for 6" Vent Connection

Based on 81 reviews Check latest price

Product description

These are specially sized to fit into all drop cielings, 24"x 24", also called T-Bar systems.

Can be hooked up with our "Butterfly Dampers" for precise airflow control



Metal Fab - A brand you can trust.

You may think of grilles and registers as a generic component of the ventilation system in your house.

But they are also the most visible representation of you air system.

These grilles and registers give you an extra measure of quality that you can point out to your family members and house guests.

Some of our best features aren’t readily apparent, but you’ll appreciate the benefits over a long period of time.

This grille has a high standard of design, production and finish on all products.

Every part is hand inspected for quality before it is packaged, no exceptions.

No Sharp Surface Edges. Just run your finger along the edge of the top plate and you’ll find a smooth finished surface.

Heavy Gauge Steel. Heavier gauge than needed, built for durability and long life in mind, but still very thin.

Filter not included

  • Easy Unrestricted Air Flow For Your HVAC System
  • See our separate listing for Butterfly Dmaper to Control Airflow
  • Optional Butterfly Damper Available At Asin: B007CNEKH2

User questions & answers

Question: Does the neck take a 6" inch male or female plastic elbow connection
Answer: To develop the test correctly, you should oversaturated the test in the urine.
Question: do you have other sizes like 10x10 12x12 and 14x
Answer: To get enough urine on the strip for a correct result.
Question: How many come in the package
Answer: Both pregancy tests (HCG) and ovulation tests (LH) are PINK dye tests. These tests work great! Nothing fancy, but if you're taking tests multiple days in a row (either ovulation or pregnancy), you can't beat the value.
Question: So you have this item in plastic
Answer: 20 pregnancy tests, 70 ovulation test strips and 90 urine cups.

36" Linear Slot Diffuser - AC Vent Cover - HVAC Register

Based on 61 reviews Check latest price

Product description

Texas Buildmart offers High Quality Linear slot diffusers with high performance 180° air control with the directional dampers. Modern, crisp, clean lines and architecturally appealing. Solid extruded aluminum profile with welding - Electrostatic Paint. The product is an Air exit that also can be used as a return grill but that they look like a Modern Fixture.

  • Solid extruded aluminum profile with welding - Electrostatic Paint
  • Modern architectural design
  • 180-degree air flow control with adjustable directional dampers
  • Face: 36 3/4" x 4 1/2" - Neck: 35 3/8" x 3 1/8"

User questions & answers

Question: Is the plenum box included? If not, where can your compatible plenum boxes be purchased
Answer: It should take 6" female. However I never tried a plastic connection.
Question: are you now including mounting hardware for the 24" and 36" if so how is it being attached
Answer: Please see this Asin: http://www.amazon.com/dp/B010CVB7N0
Question: Hi. Is this by chance the airguard brand diffusers. (type 1, 2 slot with 3/4" blase). Looking for a replacement for what I have installed
Answer: It is just one in the package.
Question: Does this come in any other color or can we get this unpainted
Answer: No, we currently only have it in metal.

10x10 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

Based on 41 reviews Check latest price

Product description

Texas Buildmart offers High Quality Linear Slot Diffusers. This models only shoot a 90-degree spread downward. They have decorative directional dampers. Modern, crisp, clean lines and architecturally appealing. Solid extruded aluminum profile with welding - Electrostatic Paint. The product is an Air exit that also can also be used as a return grill but they look like a Modern Fixture. This item is a Patent Pending product.

  • Solid extruded aluminum profile with welding - Electrostatic Paint
  • Modern architectural design
  • 90 Degree Air Spread
  • Neck: 9 5/8" x 9 1/2"- Face: 11 13/16" x 11 11/16"

User questions & answers

Question: Is there a way to adjust the flow of the vent
Answer: Hi there!! Thank you for reaching Texas Buildmart The diffuser comes alone. The plenum box is not included, it is sold separately. You can find the plenum for this item in Amazon as: Texas Buildmart 36” Plenum Box - 2 Slots Please let us know if you need any additional assistance. Thank you!! Have a Great day!!
Question: Can this be easily removed for cleaning? I have an external bath fan and want to use this as the cover
Answer: nothing included. go to a sheet metal shop in your area and they will set you up. Once installed the vent cannot be adjusted
Question: How do these mount
Answer: 2 slot, 3/4" base
Question: Can I use these standard linear diffusers as « returns »? Or is it only for supply
Answer: Hi there, Thank you for reaching Buildmart. We only supply them on white color. It is 100% aluminum. I guess there could be a process or unpainting it. They can also be painted, which I think it will be easier. Just make sure it is an oile base paint and spraypaint to have the best finish. Please let us know ir you have any other question. Thank you!! Have a Great day! Texas Buildmart Team

8x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

Based on 34 reviews Check latest price

Product description

Texas Buildmart offers High Quality Linear Slot Diffusers. This models only shoot a 90-degree spread downward. They have decorative directional dampers. Modern, crisp, clean lines and architecturally appealing. Solid extruded aluminum profile with welding - Electrostatic Paint. The product is an Air exit that also can also be used as a return grill but they look like a Modern Fixture. This item is Patent Pending product.

  • Solid extruded aluminum profile with welding - Electrostatic Paint
  • Modern architectural design
  • 90 Degree Air Spread
  • Neck: 7 5/8" x 7 5/8" - Face: 9 13/16" x 9 13/16"

User questions & answers

Question: What is the material
Answer: The screws for these are through internal brackets. If you are using these external they will not last a long time depending on where you live.
Question: How you control the flow and direction of air
Answer: Hi there!! Thank you for reaching Texas Buidmart. The vent will have 4 predrill holes and will include 4 screws. You first open the black blades, temporarly restricting the air flow. Then, with a drill and extension, you screw in the 4 screws thru the inside of the vent to the metalic plenum. After securing the screws, you may open the airflow again by dragging it back to open position, preferably a plastic spatula. Please let us know if you have any additional question. Thank you!! Buildmart Team
Question: How do you mount this to a ceiling vent? I see no screw holes
Answer: It’s only for a supply it doesn’t hold a filter and is to restricted for a return

PLUSPOE 24V 0.5A 0.65A UL-Listed AC DC Switching Power Supply Adapter for 100ml 200ml 300ml 400ml 500mL Essential Oil Diffusers and Aroma Diffuser Humidifier EK1858 (White, 1 Pack)

Based on 463 reviews Check latest price

Product description

Before you bidding, Please make sure that the Specifications of AC Adapter same as the previous one you have(such as the INPUT, OUTPUT shown on the images), and the DC Jack Size is 5.5mm Round Barrel, otherwise it may not work properly.



AC to DC Adaptor for Essential Oil Diffusers and Aroma Diffuser Humidifier EK1858, UL listed

Input power: AC 100-240V, 50/60HZ

Output: 24V 0.5A 0.65A

Plug: US Plug

DC Plug Dimension: 5.5mm x 2.1mm

Cable Length: about 5.9Ft

  • Note: Please make sure that the Specifications of AC Adapter same as the previous one you have(such as the INPUT, OUTPUT shown on the images), or it may not work properly.
  • AC Adapter for Most Humidmifier / Essential Oil Diffuser: : Pure Enrichment , URPOWER , VicTsing , ASAKUKI , ArtNaturals , InnoGear , Luscreal , Mulcolor , BAXIA TECHNOLOGY , Everlasting Comfort , Soft Digits , Natrogix , TaoTronics , Zen Breeze , OliveTech , ZOOKKI , Young Living Dewdrop Rainstone Diffuser , Deneve Riverock , ZAQ Noor,Allay, Dew,Galaxy , Mammoth Serenity, Lagute Bois Series, Ivation Pod-Shaped- Whisper-Quiet HM13 and etc.
  • Length of the power supply cable: 5.9 Ft. DC Jack: 2.1x5.5mm; Input Power: AC100-240V 50/60HZ. Output: 24VDC 500mA 650mA
  • UL listed, High Quality Adaptor-Full Protecion, Efficiency Level: VI
  • Warranty and Service: We offer one year warranty and life time customer service for this product! If you have any questions, please feel free to contact us, our customer service will get in touch with you at their earliest!

User questions & answers

Question: Can this work on a sun uvs nail lamp
Answer: Thank you for reaching Texas Buildmart This diffusers/AC vents are made of 100% Aluminum with electrostatic paint for a smooth finish Let us know if you need anything else. Thank you!! Have a Great day!!
Question: I’ve seen that this works with youngliving diffusers... I’m wondering about the YL dew drop
Answer: There are slots to control but it doesn’t do a great job controlling the amount or direction of airflow. That being said it looks aesthetically beautiful and I am happy that I installed throughout my home
Question: Anyone successfully used this with young living aria diffuser
Answer: Hi there!! Thank you for reaching Texas Buildmart. This model has an interior installation system. So no holes are done thru the face and that way we keep the nice clean look. Instructions and 4 screws are included in the purchase of this vent. Please let us know if you need any additional information. Thank you!! Have a Great day!! Buildmart Team
Question: Will this work w young living diffuser
Answer: Yes

14x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

Based on 55 reviews Check latest price

Product description

Texas Buildmart offers High Quality Linear Slot Diffusers. This models only shoot a 90-degree spread downward. They have decorative directional dampers. Modern, crisp, clean lines and architecturally appealing. Solid extruded aluminum profile with welding - Electrostatic Paint. The product is an Air exit that also can also be used as a return grill but they look like a Modern Fixture.

  • Solid extruded aluminum profile with welding - Electrostatic Paint
  • Modern architectural design
  • 90 Degree Air Spread
  • Neck: 13 7/8" x 7 11/16" - Face: 15 3/4" x 9 5/8"

User questions & answers

Question: how many are in a pack
Answer: I doubt it. It did not work on a diffuser
Question: Are the dimensions of the inside?or is it the frame
Answer: Yes it should work
Question: How does this attach
Answer: It works for Young Living diffuser
Question: Will this work for main return
Answer: it works most diffuser in the market, 24Volt and DC connector is 2.1x5.5mm

12x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Registers

Based on 50 reviews Check latest price

Product description

Texas Buildmart offers High Quality Linear Slot Diffusers. This models only shoot a 90-degree spread downward. They have decorative directional dampers. Modern, crisp, clean lines and architecturally appealing. Solid extruded aluminum profile with welding - Electrostatic Paint. The product is an Air exit that also can also be used as a return grill but they look like a Modern Fixture. This item is a Patent Pending product.

  • Solid extruded aluminum profile with welding - Electrostatic Paint
  • Modern architectural design
  • 90 Degree directional damper system
  • Neck: 11 7/8" x 5 3/4" - Face: 13 3/4" x 4 5/8"

User questions & answers

Question: How does it stay mounted? I dont see screw holes
Answer: Hi here!! Thank you for reaching Texas Buildmart. The price on this item is per unit. Please let us know if you have any additional information. Thank you!! Buildmart Team
Question: Is the cover paintable
Answer: Hi there!! Thank you for reaching Buildmart! Inside measurments are: 13 7/8” x 7 5/8” Outside measurments are: 15 5/8” x 9 3/4” Please let us know if you need any additional assitance!! Thank you!! Have a Great day!!
Question: Wall mountable
Answer: The attachment is a little tricky as you have to reach through the vents to mark the holes and then with the screw driver (there instructions explaining that) but totally worth it, very clean look. Be patient and you’ll get the hang of it then it goes kind of fast. We ended up predrilling small holes in the sheet metal of the vent in the ceiling and that was very helpful.
Question: How does one adjust the vent? Must it be removed (unmounted) to be adjusted
Answer: Hi there! Thank you for reaching Texas Buildmart. This vents have a CFM performance comparable to traditional looking grills that are their equivalent / same size. Please note that all returns should be feed with the proper size for optimal performance. Please let us know if you need any additional assistance. Thank you! Have a Great day!!

10x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register - Texas Buildmart

Based on 123 reviews Check latest price

Product description

Texas Buildmart offers High Quality Linear Slot Diffusers. This models only shoot a 90-degree spread downward. They have decorative directional dampers. Modern, crisp, clean lines and architecturally appealing. Solid extruded aluminum profile with welding - Electrostatic Paint. The product is an Air exit that also can also be used as a return grill but they will look like a Modern Fixture. This item is a Patent Pending product.

  • Solid extruded aluminum profile with welding - Electrostatic Paint
  • Modern architectural design
  • 90 Degree Air Spread
  • Neck: 9 13/16" x 5 3/4" - Face: 11 11/16" x 7 5/8"

User questions & answers

Question: What are the actual dimensions of the diffuser
Answer: Hi there!! Thank you for reaching Texas Buildmart. The method of installation is thru the PRE drill holes inside the diffuser. Once the vent is installed, you will find them by opening the dampers (restricting the air temporarily). We recomend a drill with an extension and a bit to install the metal perforating screws that will be included in the vent. If you have any further questions please call our customer service line in our profile page here in Amazon. 956-655-6537 Thank you! Have a Great day!!
Question: can this be spray painted to match ceiling color
Answer: Hi there! Thank you for reaching Texas Buildmart! Yes it is can be painted. We recommend professional spray paint with oil base paint or epoxy paint. Please let us know if you need any additional assistance. Thank you, Have a Great day!!
Question: Are these quiet. Does it really diffuse airflow to cut down on noise
Answer: Hi there!! Thank you for reaching Texas Buildmart. Yes, wall or ceiling are the intended use. Customers have also use them as floor registers as well.. Please let us know if you need any additional assistance. Thank you!! Have a Great day!!
Question: I have expansion noise in ducts whenever furnace is on. Will this mitigate sounds coming through the vent
Answer: Hi there!! Thank you for reaching Texas Buildmart You will recieve your Linear Slot Diffuser in Open position. The black blades will be touching each other and that is full open position. The air will go thru the sides. When you seprate the black blades, you will be restricting the air. You can do that manually with your fingers, then you will see the predrill holes and with a drill and an extension, you will screw the 4 metal perforating screws thru the sides. To bring it back to open position, like any other linear slot diffuser you will need a tool, like a flat plastic spatula, knife, anything that is flat and rigid. You willl need to insert the tool between the black blade and the white face of the diffuser and pressure it towards back to the center. If you would like to make the air turn yo a side you can close the blade of opposite side you want to turn the air. Please note that this model currently shoots the air mainly downward and can be slightly turned. Please let us know if you need any additional assistance at our customer service phone number listed in our Amazon profile page: 956-655-6537. We can send you a couple of videoes. Thank you! Have a Great day!!

12x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

Based on 31 reviews Check latest price

Product description

Texas Buildmart offers High Quality Linear Slot Diffusers. This models only shoot a 90-degree spread downward. They have decorative directional dampers. Modern, crisp, clean lines and architecturally appealing. Solid extruded aluminum profile with welding - Electrostatic Paint. The product is an Air exit that also can also be used as a return grill but they look like a Modern Fixture. This item is a Patent Pending product.

  • Solid extruded aluminum profile with welding - Electrostatic Paint
  • Modern architectural design
  • 180 Degree directional damper system
  • Neck: 11 5/8" x 7 5/8" - Face: 13 3/4" x 9 13/16"

User questions & answers

Question: How many CFMs is this rated for
Answer: I believe so as Diffuser are made of aluminum.
Question: I need these to cover 10” x 12” fan, does texas build smart provide that size? which should i order? can it be custom built? thx
Answer: They are very quiet and work well. There is no side directional flow control. They’re very sleek and modern looking.
Question: will this work for a 10 x 6 duct
Answer: Hi there!! Thank you for reaching Texas Buildmart Our vents were design to increase the esthetics. They do not fix or mitigate sound coming thru vents. Our vents will not increase the sound. I do not think they will reduce it in any significant way either. Please let us know if you have any additional questions. Thank you!! Have a Great day!!

12x12 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

Based on 21 reviews Check latest price

Product description

Texas Buildmart offers High Quality Linear Slot Diffusers. This models only shoot a 90-degree spread downward. They have decorative directional dampers. Modern, crisp, clean lines and architecturally appealing. Solid extruded aluminum profile with welding - Electrostatic Paint. The product is an Air exit that also can also be used as a return grill but they look like a Modern Fixture. This item is a Patent Pending product.

  • Solid extruded aluminum profile with welding - Electrostatic Paint
  • Modern architectural design
  • 90 Degree directional damper system
  • Neck: 11 5/8" x 11 1/2" - Face: 13 3/4" x 13 3/4"
  • Professional HVAC Installer is Recommended

User questions & answers

Question: Can theses come in custom sizes
Answer: Hi there!! Thank you for reaching Texas Buildmart. The CFMs for this 12x8 model is : 278.3 cfms on an effective velocity of 9.8 ft/s Please let us know if you need anything else. Buildmart Team
Question: Does the 12 x 12 diffuser distribute the air 4 ways or straight down
Answer: Hi there!! Thank you for reaching Texas Buildmart! The 12x10 is one of our new models. This model will be out in Mid Feb and Available in Amazon in late Feb - Early March. Please set a reminder for then. We will for sure have it available. Please let us know if you need anything else. Thank you Have a Great day!!
Question: Hey, can this be placed on the floor
Answer: No to big
Question: is this linear 12x12 for supply or return air
Answer: Hi there!! Thank you for reaching Texas Buildmart!! The dimensions of the diffuser are the following: Neck size: 9 7/8” x 5 3/4” Face size: 11 3/4” x 7 5/8” Please let us know if you need anything else. Thank you have a Great day!!

8" x 4" Standard Linear Slot Diffuser - HVAC Vent Cover - AC Register - Single

Based on 80 reviews Check latest price

Product description

Texas Buildmart offers High Quality Linear Slot Diffusers. This models only shoot a 90-degree spread downward. They have decorative directional dampers. Modern, crisp, clean lines and architecturally appealing. Solid extruded aluminum profile with welding - Electrostatic Paint. The product is an Air exit that also can also be used as a return grill but they look like a Modern Fixture.

  • Solid extruded aluminum profile with welding - Electrostatic Paint
  • Modern architectural design
  • 180 Degree directional damper system
  • Face: 9 3/4" x 5 3/4" - Neck: 7 7/8" x 3 7/8"

User questions & answers

Question: This is works to extract air
Answer: Hi there!! Thank you for reaching Texas Buildmart. We have a large number of sizes? Which size were you needing? We apologize for the inconvenience, we do not have the capacity for custom orders at the moment. Please let us know if you need any additional assitance. Thank you! Have a Great day!
Question: Can i use them for heat
Answer: Hi there! Thank you for reaching Texas Buildmart. It does not go 4 ways. Mainly downward, you can direct a little the air towards one side or towards the other. Please let us know if you need any additional assistance. Thank you!! Have a Great day!!
Question: Why are these better than traditional diffusers
Answer: I wouldn’t recommend It to install it on the floor. That’s a ceiling register. But you can also check with manufacturing.
Question: Where can I find plenum boxes for these
Answer: Hi there!! Thank you for reaching Texas buildmart It works for both... Same 395.3 CFMs go both ways... Let us know if you need anything else, Thank you, Buildmart Team

[UL Listed] Power Adapter Cord Fit for 24V URPOWER, doTERRA,Young Living Dewdrop Rainstone Diffuser,Essential Oil Diffuser, InnoGear, ASAKUKI, VicTsing, Natrogix, Luscreal, Now Foods Humidifier

Based on 491 reviews Check latest price
  • Fit for 100ml 200ml 300ml 400ml 500ml sparoom URPOWER essential oil diffusers /doTERRA Petal, Aroma Lite diffuses / Essential Oil Diffuser/Young Living Dewdrop, Rainstone diffusers / Now Foods Solutions diffuser / PureGuardian model H1010 humidifier /puzhen/ Welledia ceramic diffuser / Tisserand Essential Oil Diffuser
  • Designed with a compact, pocket-friendly size , this adapter has been carefully considered - from soft, bendable cables to smooth, rounded corners.
  • High Quality Adaptor: Tested, Approved and Certified by UL for safety. The UL number is unique. UL testing is authorized by OSHA - US Federal Agency. Dexpt adaptor manufactured with the highest quality materials and include multiple smart features safe guarding against incorrect voltage,short circuit,internal overheating.
  • Input Volt Range: 100-240V; Output Max - 24V 0.65A; NOTE! Jack:5.5*2.1*12mm
  • Guarantee: Within 30 days of purchase, we offer a no-questions-asked full money back guarantee and 12 Months Warranty.

User questions & answers

Question: Does this work with better home and garden diffuser from Walmart
Answer: No, it covers the vent that pushes air into the room.
Question: Does this fit young living home diffuser
Answer: Hi there!! Thank you for reaching Texas Buildmart! Yes, they can be for cool and heat as well. Please let us know if you need any additional assitance. Thank you!! Have a Great day!! Buildmart Team
Question: Would this fit the art naturals bluetooth diffuser? It plugs into the underside of the diffuser and cant be to bulky so it can rest on base
Answer: This are 100% aluminum... sos you wont have rust It has a much cleaner look... without screws that are being showed Plus they are also Directional, you can control the air flow and the direction
Question: How long is the power cord itself
Answer: I plan to use these - Speedi-Boot SBH-6106 EB 6-Inch Width by 10-Inch Length to 6-Inch Diameter Torpedo End Register Vent Boot with Adjustable Hangers

Product features

Safe, Premium Quality and High Performance

Certified by UL, RoHS, CE & FCC for quality and safety, great ac adapter undergo rigorous testing by qualified engineers to ensure compatibility and reliability in your diffuser.

Perfect Replacement Charger for Most Essential Oil Diffuser

This ac adapter is compatible with Young Living, Doterra Petal, ASAKUKI, URPOWER, TaoTronics, VicTsing, InnoGear, Mulcolor, Aromatherapy, LUSCREAL, Arvidsson and other brands.

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